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MEO Class II – NAVAL : 2019/JUN/09 – 2019/AUG/10 – 2019/OCT/09 – 2020/MAR/10 – 2021/FEB/10 – 2021/APR/08 – 2021/JUL/08 – 2021/OCT/08
Question
Q8. A ship 100 m long floats at a draught of 6 m and in this condition the immersed cross-sectional areas and water plane areas are as given below. The equivalent base area (Ab) is required because of the fineness of the bottom shell.
Section | AP | 1 | 2 | 3 | 4 | 5 | FP |
Immersed cross section area (m2) | 12 | 30 | 65 | 80 | 70 | 50 | 0 |
.
Draught (m) | 0 | 0.6 | 1.2 | 2.4 | 3.6 | 4.8 | 6.0 |
Waterplane area (m2) | Ab | 560 | 720 | 880 | 940 | 1000 | 1030 |
Calculate EACH of the following:
(a) The equivalent base area value Ab;
(b) The longitudinal position of the center of buoyancy from midships;
(c) The vertical position of the center of buoyancy above the base.
Asked in Year/Month/Ques No.